As we all know, the database is composed of tables, in practical use, the table is dynamic, and some tables are growing quickly. When a table in the Dbspace has more than 8 staggered intervals, it will affect its access efficiency, with the further
Connecting to a database Java database connection (JDBC) consists of a set of classes and interfaces written in the Java programming language. JDBC provides tools/database developers with a standard API that enables them to write database
This paper takes the tomcat5.0 and Informix databases as examples to describe the configuration of Tomcat single Jndi data sources and multiple data sources.
One, tomcat configuration a Jndi data source method
The first step: in the C: "Tomcat 5.0"
Based on SOA and implementing various industry-standard WebSphere Process Server (hereinafter called WPS), it is primarily used to automate business processes for people, workflows, applications, systems, platforms, and architectures.
INFORMIX-4GL is a comprehensive fourth generation application development and generation environment, it has the formidable database management function, the programming is nimble and convenient, the interface is friendly, has been widely used in
mysql| Data | database sequence
With the development of Internet and the activity of free software software, more and more people begin to apply various databases to their own network applications. Thus, a variety of database systems appear on the
First, introduce what is stored procedure
A stored procedure is a program that is written using the Tranact-sql language provided by SQL Server. The Tranact-sql language is the language that SQL Server provides specifically for designing database
The Informix Dynamic server employs a multiple-threaded architecture, which means that a process can accomplish multiple tasks at the same time using multiple threads of its own, so that the entire system requires fewer processes to complete the
js| Programming | data | database | database connection
Now have a lot of novice JSP users will often ask the database how to connect ah, how old mistakes ah? So I concentrated in this write an article for your reference, in fact, this database
Business challenge: To become a leader in Portuguese mobile communications by improving customer service and innovation. Establish a data warehouse to understand the business situation in detail, know what customers are interested in, what they are
Informix database with two commands: Load and unload
We can according to facilitate the preparation of SH program data import and export, the following two sections of the SH program in Redhat Linux as 4 test pass, should be suitable for most
js| Data | Database Four, JSP connection Informix database
testinformix.jsp is as follows:
String url =
//testdb for your
Following Oracle's release of the new database software 11g last month, IBM also today released the database software Informix Dynamic Server (IDS) 11, code-named Cheetah, Microsoft SQL The server is also expected to launch a new version early next
1. Create Informix user group and Informix user Home=/usr/informix
2. Add the password to Informix
3, the deployment of Informix installation files: rpm-i******************.rpm (a total of three)
4, modify the root profile, increase
Talking about the database can not say that the database storage, said that storage can not help but say that the database management of space. Here we mainly talk about the problem of the management of the space of IDs.
In physical terms, the main
From the application examples of most systems, query operation occupies the most proportion in various database operations, and the SELECT statement based on query operation is the most expensive statement in SQL statement. For example, if the
js| Access | design | data | database
Previously, we have mentioned that JSP programs are modules and have powerful expression-request (presentation-request) capabilities. Creating a perfect database access is a challenging process, and the JDBC
Speed up the execution of SQL
Use sort, or join in a 1.select statement
If you have a sort and join operation, you can select the data into a temporary table before processing the temporary table. Because temporary tables are built in memory, they
js| Data | database | Database connection One, JSP connection oracle8/8i/9i database (in thin mode)
Testoracle.jsp is as follows:
String url= "Jdbc:oracle:thin: @localhost: 1521:ORCL";
ORCL for the SID of your database
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
and provide relevant evidence. A staff member will contact you within 5 working days.